Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4482965 | Taximeter with tariff display mode controlled by removable memory addressable by fare rate keys | Iwao Tateishi, Takemi Mizuta, Tatuo Yokoyama | 1984-11-13 |
| 4213035 | Electronic combined protractor and calculator capable of measuring length and angle of an object | Isamu Washizuka | 1980-07-15 |
| 4195348 | Combined electronic digital scale and calculator storing selectable programs | — | 1980-03-25 |
| 4181960 | Tape reel and detector assembly for an electronic combined digital scale and calculator | Iwao Tateishi | 1980-01-01 |